<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>CSS样式</title>
	    <style>
	    	#tyu{
	    		color:red;
	    		font-size: 50px;
	    	}
	    	.nuc{
	    		color:blue
	    	}
	    </style>
	</head>
	<body>
		<div id="tyu">太原学院</div>
		<div class="nuc">中北大学</div>
		<div class="nuc">山西工学院</div>
	</body>
</html>